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Cheap flights from Ontario to Seoul from $621

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Ontario to Seoul

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:03 am - 10:25 pmONT  Ontario-GMP Seoul Gimpo Intl
21h 22m2 stops Honolulu Osaka Kansai Intl
Multiple Airlines Logo
5:20 pm - 9:25 pmGMP  Seoul Gimpo Intl-ONT Ontario
21h 05m2 stops Osaka Kansai Intl Honolulu
$1,413Multiple Airlines
Wed, Dec 2 - Wed, Dec 9
Multiple Airlines Logo
8:03 am - 10:25 pmONT  Ontario-GMP Seoul Gimpo Intl
21h 22m2 stops Honolulu Osaka Kansai Intl
Multiple Airlines Logo
5:20 pm - 11:54 pmGMP  Seoul Gimpo Intl-ONT Ontario
23h 34m3 stops Osaka Kansai Intl Honolulu Portland
$1,702Multiple Airlines
Wed, Dec 2 - Wed, Dec 9
Multiple Airlines Logo
8:03 am - 10:25 pmONT  Ontario-GMP Seoul Gimpo Intl
21h 22m2 stops Honolulu Osaka Kansai Intl
Multiple Airlines Logo
5:20 pm - 9:25 pmGMP  Seoul Gimpo Intl-ONT Ontario
21h 05m2 stops Osaka Kansai Intl Honolulu
$1,708Multiple Airlines
Thu, Dec 3 - Thu, Dec 10
Multiple Airlines Logo
12:10 am - 12:55 pmONT  Ontario-GMP Seoul Gimpo Intl
20h 45m1 stop Taipei City Taiwan Taoyuan Intl
Multiple Airlines Logo
11:15 am - 5:05 pmGMP  Seoul Gimpo Intl-ONT Ontario
21h 50m1 stop Taipei City Sung Shan
$1,721Multiple Airlines
Fri, Apr 16 - Sat, May 1
Multiple Airlines Logo
2:23 pm - 10:05 pmONT  Ontario-GMP Seoul Gimpo Intl
38h 42m2 stops Dallas/Fort Worth Tokyo Haneda
Multiple Airlines Logo
7:40 pm - 1:28 pmGMP  Seoul Gimpo Intl-ONT Ontario
34h 48m2 stops Tokyo Haneda Dallas/Fort Worth
$1,863Multiple Airlines
Mon, Jan 18 - Sun, Jan 24
Multiple Airlines Logo
6:00 am - 10:45 amONT  Ontario-GMP Seoul Gimpo Intl
35h 45m2 stops Seattle/Tacoma Intl Tokyo Narita
Multiple Airlines Logo
7:40 pm - 6:42 pmGMP  Seoul Gimpo Intl-ONT Ontario
40h 02m2 stops Tokyo Haneda Dallas/Fort Worth
$1,907Multiple Airlines
Fri, Feb 26 - Tue, Mar 9
Multiple Airlines Logo
6:00 am - 10:30 pmONT  Ontario-GMP Seoul Gimpo Intl
23h 30m2 stops San Francisco Tokyo Narita
Multiple Airlines Logo
12:20 pm - 8:25 pmGMP  Seoul Gimpo Intl-ONT Ontario
25h 05m2 stops Tokyo Haneda San Francisco
$2,058Multiple Airlines
Fri, Jan 15 - Fri, Jan 22
Multiple Airlines Logo
8:15 am - 11:10 amONT  Ontario-GMP Seoul Gimpo Intl
33h 55m3 stops Las Vegas Harry Reid Intl San Francisco Tokyo Haneda
Multiple Airlines Logo
7:55 am - 12:24 amGMP  Seoul Gimpo Intl-ONT Ontario
33h 29m3 stops Osaka Kansai Intl Manila Ninoy Aquino Intl San Francisco
$2,158Multiple Airlines
Mon, Nov 23 - Sun, Nov 29
Multiple Airlines Logo
7:45 am - 10:30 pmONT  Ontario-GMP Seoul Gimpo Intl
21h 45m2 stops San Francisco Tokyo Narita
Multiple Airlines Logo
7:45 am - 3:15 pmGMP  Seoul Gimpo Intl-ONT Ontario
24h 30m2 stops Tokyo Haneda San Francisco
$2,168Multiple Airlines
Tue, Feb 23 - Tue, Mar 2
Multiple Airlines Logo
8:31 pm - 11:10 amONT  Ontario-GMP Seoul Gimpo Intl
21h 39m2 stops San Francisco Tokyo Haneda
Multiple Airlines Logo
7:55 am - 12:24 amGMP  Seoul Gimpo Intl-ONT Ontario
33h 29m3 stops Osaka Kansai Intl Manila Ninoy Aquino Intl San Francisco
$2,185Multiple Airlines
Mon, Nov 23 - Sun, Nov 29

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Use the filters below to find and compare flights from Ontario to Seoul Gimpo Intl Airport that are best for you.

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OntarioSeoul

ONT Ontario - GMP Seoul Gimpo Intl

ONTGMP

Ontario

Wed 12/2

8:03 am-10:25 pm

2 stops21h 22m

Seoul Gimpo Intl

Wed 12/9

5:20 pm-9:25 pm

2 stops21h 05m

$1,413

OntarioSeoul

ONT Ontario - GMP Seoul Gimpo Intl

ONTGMP

Ontario

Wed 12/2

8:03 am-10:25 pm

2 stops21h 22m

Seoul Gimpo Intl

Wed 12/9

5:20 pm-11:54 pm

3 stops23h 34m

$1,702

OntarioSeoul

ONT Ontario - GMP Seoul Gimpo Intl

ONTGMP

Ontario

Thu 12/3

8:03 am-10:25 pm

2 stops21h 22m

Seoul Gimpo Intl

Thu 12/10

5:20 pm-9:25 pm

2 stops21h 05m

$1,708

OntarioSeoul

ONT Ontario - GMP Seoul Gimpo Intl

ONTGMP

Ontario

Fri 4/16

12:10 am-12:55 pm

1 stop20h 45m

Seoul Gimpo Intl

Sat 5/1

11:15 am-5:05 pm

1 stop21h 50m

$1,721

OntarioSeoul

ONT Ontario - GMP Seoul Gimpo Intl

ONTGMP

Ontario

Mon 1/18

2:23 pm-10:05 pm

2 stops38h 42m

Seoul Gimpo Intl

Sun 1/24

7:40 pm-1:28 pm

2 stops34h 48m

$1,863

OntarioSeoul

ONT Ontario - GMP Seoul Gimpo Intl

ONTGMP

Ontario

Fri 2/26

6:00 am-10:45 am

2 stops35h 45m

Seoul Gimpo Intl

Tue 3/9

7:40 pm-6:42 pm

2 stops40h 02m

$1,907

OntarioSeoul

ONT Ontario - GMP Seoul Gimpo Intl

ONTGMP

Ontario

Fri 1/15

6:00 am-10:30 pm

2 stops23h 30m

Seoul Gimpo Intl

Fri 1/22

12:20 pm-8:25 pm

2 stops25h 05m

$2,058

OntarioSeoul

ONT Ontario - GMP Seoul Gimpo Intl

ONTGMP

Ontario

Mon 11/23

8:15 am-11:10 am

3 stops33h 55m

Seoul Gimpo Intl

Sun 11/29

7:55 am-12:24 am

3 stops33h 29m

$2,158

OntarioSeoul

ONT Ontario - GMP Seoul Gimpo Intl

ONTGMP

Ontario

Tue 2/23

7:45 am-10:30 pm

2 stops21h 45m

Seoul Gimpo Intl

Tue 3/2

7:45 am-3:15 pm

2 stops24h 30m

$2,168

OntarioSeoul

ONT Ontario - GMP Seoul Gimpo Intl

ONTGMP

Ontario

Mon 11/23

8:31 pm-11:10 am

2 stops21h 39m

Seoul Gimpo Intl

Sun 11/29

7:55 am-12:24 am

3 stops33h 29m

$2,185

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seoul from

How to get the cheapest flight ticket from Ontario to Seoul Gimpo Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Ontario to Seoul Gimpo Intl?

Japan Airlines is the most popular carrier operating from Ontario to Seoul Gimpo Intl

When to book flights from Ontario to Seoul Gimpo Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Seoul Gimpo Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ontario to Seoul Gimpo Intl Airport (ONT to GMP) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Seoul Gimpo Intl Airport

Best Price Found

$621

Fastest flight time

21h 22m

Direct flights

None
The best one-way flight to Seoul Gimpo Intl Airport from Ontario in the past 72 hours is $621. The best round-trip flight deal from Ontario to Seoul Gimpo Intl Airport found on momondo in the last 72 hours is $1,413.
The fastest flight from Ontario to Seoul Gimpo Intl Airport takes 21h 22m
There are no direct flights from Ontario to Seoul Gimpo Intl Airport. There are no popular flight routes from Ontario to Seoul Gimpo Intl Airport.
Search flight deals

Frequently asked questions about flying from Ontario to Seoul Gimpo Intl Airport

  • How far is Ontario to Seoul Gimpo Intl by plane?

    A flight from Ontario to Seoul Gimpo Intl will travel around 5983.3 mi. By plane, this route typically takes 21h 22m.

  • When did momondo last update prices for flights from Ontario Airport to Seoul Gimpo Intl Airport?

    Prices for flights from Ontario Airport to Seoul Gimpo Intl Airport were last updated today.

  • How old do you have to be to fly from Ontario Airport to Seoul Gimpo Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Seoul Gimpo Intl Airport.

  • What documentation or ID do you need to fly to Seoul Gimpo Intl Airport?

    The necessary travel and health documents for your Seoul Gimpo Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Seoul?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ontario to Seoul. momondo saves you time and could save you money on your trip.

Can I find flights from Ontario to Seoul with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Seoul from Ontario with this policy.

How can momondo help me find flights from Ontario to Seoul?

momondo helps you find the best flight between Ontario and Seoul by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Ontario to Seoul right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Seoul, momondo offers a useful price alert feature which will track prices for flights to Seoul from Ontario and alert you when they change.

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